Event between (15788) 93SB and star GA1140:01207714 with event index number of 1477948
Geocentric closest approach at 2025/12/30 11:58:00 UTC
J2000 position of star is 05:27:16.6 +25:14:10
Equinox of date position of star is 05:28:41.6 +25:15:14
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 38 degrees from the moon.
Moon is 79% illuminated.
Apparent brightness V=22.3
[RECON map]
Object is 26.8 AU from the Sun
and 25.9 AU from the Earth.
Apparent velocity is 22.5
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 274 seconds.
The 1-sigma cross-track error in the shadow position is
1026 km.
The sky-plane scale is
18776.6 km/arcsec.
The object has an absolute magnitude Hv=8.0
Diameter=154.9 km assuming a 5% albedo -- 6.9 sec chord
Diameter=63.2 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is 3:2E
Star training set for 15788, (2025/12/30 11:53UT) Object RA Dec mag sep mel Aldebaran 04:37:24.9 +16:33:35 0.8 14.82 27 Alnath 05:27:56.2 +28:37:37 1.6 3.38 38 PPM 094572 05:38:46.4 +26:56:18 5.6 2.79 40 PPM 094479 05:35:06.5 +24:38:42 7.0 1.54 40 PPM 094364 05:28:18.7 +25:18:15 9.9 0.14 38 15788 05:28:52.8 +25:15:23 16.7 39 Positions are for equinox of date
This table contains the target star visibility for the RECON
network. The observing range has been set to a maximum of
3.3 sigma about the mid-time.
The median site spacing is 19.0 km
RECON observability=0.9 and success probability=35.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 11:54:52 | -28.9 | Dark | Down | 19.6 | 286.3 | Really Low | 11:39:52 - 12:09:52 | 924 |
| Kamloops | 11:54:54 | -38.0 | Dark | Up | 28.1 | 276.4 | Low | 11:39:54 - 12:09:54 | 406 |
| Kelowna | 11:54:50 | -37.5 | Dark | Down | 27.5 | 277.4 | Low | 11:39:50 - 12:09:50 | 367 |
| Peachland | 11:54:50 | -37.7 | Dark | Down | 27.6 | 277.3 | Low | 11:39:50 - 12:09:50 | 350 |
| Summerland | 11:54:50 | -37.7 | Dark | Down | 27.6 | 277.4 | Low | 11:39:50 - 12:09:50 | 341 |
| Penticton | 11:54:50 | -37.6 | Dark | Down | 27.5 | 277.5 | Low | 11:39:50 - 12:09:50 | 339 |
| Oliver | 11:54:48 | -37.7 | Dark | Down | 27.4 | 277.7 | Low | 11:39:48 - 12:09:48 | 310 |
| Anarchist Mountain Observatory | 11:54:47 | -37.6 | Dark | Down | 27.3 | 277.9 | Low | 11:39:47 - 12:09:47 | 303 |
| Okanogan | 11:54:45 | -37.8 | Dark | Down | 27.3 | 278.1 | Low | 11:39:45 - 12:09:45 | 244 |
| Brewster | 11:54:45 | -38.0 | Dark | Down | 27.4 | 278.1 | Low | 11:39:45 - 12:09:45 | 216 |
| Manson/Chelan | 11:54:44 | -38.3 | Dark | Down | 27.7 | 277.9 | Low | 11:39:44 - 12:09:44 | 188 |
| Victoria | 11:54:50 | -40.3 | Dark | Up | 29.9 | 275.3 | Low | 11:39:50 - 12:09:50 | 146 |
| Wenatchee | 11:54:43 | -38.4 | Dark | Down | 27.7 | 278.1 | Low | 11:39:43 - 12:09:43 | 144 |
| Ellensburg | 11:54:42 | -38.6 | Dark | Down | 27.8 | 278.1 | Low | 11:39:42 - 12:09:42 | 103 |
| PNWRO | 11:54:37 | -37.6 | Dark | Down | 26.5 | 279.7 | Low | 11:39:37 - 12:09:37 | 71 |
| Yakima | 11:54:41 | -38.7 | Dark | Down | 27.8 | 278.3 | Low | 11:39:41 - 12:09:41 | 69 |
| Dunrhomin | 11:54:12 | -27.5 | Dark | Down | 15.5 | 290.2 | Really Low | 11:39:12 - 12:09:12 | 61 |
| Toppenish/White Swan | 11:54:40 | -38.6 | Dark | Down | 27.6 | 278.5 | Low | 11:39:40 - 12:09:40 | 56 |
| Nikitin | 11:54:12 | -27.5 | Dark | Down | 15.4 | 290.2 | Really Low | 11:39:12 - 12:09:12 | 45 |
| CU-SBO | 11:54:12 | -27.6 | Dark | Down | 15.4 | 290.2 | Really Low | 11:39:12 - 12:09:12 | 37 |
| The Dalles | 11:54:38 | -39.3 | Dark | Down | 28.0 | 278.4 | Low | 11:39:38 - 12:09:38 | -34 |
| Maupin | 11:54:37 | -39.2 | Dark | Down | 27.9 | 278.7 | Low | 11:39:37 - 12:09:37 | -66 |
| Sisters | 11:54:35 | -39.7 | Dark | Down | 28.1 | 278.8 | Low | 11:39:35 - 12:09:35 | -156 |
| Bend | 11:54:33 | -39.5 | Dark | Down | 27.9 | 279.1 | Low | 11:39:33 - 12:09:33 | -169 |
| Oregon Observatory | 11:54:33 | -39.6 | Dark | Down | 28.0 | 279.1 | Low | 11:39:33 - 12:09:33 | -188 |
| Chiloquin | 11:54:30 | -40.0 | Dark | Down | 28.1 | 279.6 | Low | 11:39:30 - 12:09:30 | -316 |
| Klamath Falls | 11:54:29 | -40.0 | Dark | Down | 28.0 | 279.8 | Low | 11:39:29 - 12:09:29 | -343 |
| Cedarville | 11:54:25 | -38.9 | Dark | Down | 26.7 | 281.1 | Low | 11:39:25 - 12:09:25 | -352 |
| Fall River/Burney | 11:54:25 | -39.8 | Dark | Down | 27.5 | 280.6 | Low | 11:39:25 - 12:09:25 | -436 |
| Gimple | 11:54:22 | -39.5 | Dark | Down | 26.9 | 281.4 | Low | 11:39:22 - 12:09:22 | -499 |
| Greenville | 11:54:22 | -39.5 | Dark | Down | 27.0 | 281.3 | Low | 11:39:22 - 12:09:22 | -502 |
| Portola | 11:54:20 | -39.2 | Dark | Down | 26.6 | 281.8 | Low | 11:39:20 - 12:09:20 | -515 |
| Reno | 11:54:19 | -38.7 | Dark | Down | 26.0 | 282.2 | Low | 11:39:19 - 12:09:19 | -517 |
| Quincy | 11:54:21 | -39.5 | Dark | Down | 26.9 | 281.4 | Low | 11:39:21 - 12:09:21 | -520 |
| Yerington | 11:54:17 | -38.2 | Dark | Down | 25.4 | 282.9 | Low | 11:39:17 - 12:09:17 | -544 |
| Carson City | 11:54:18 | -38.7 | Dark | Down | 25.9 | 282.4 | Low | 11:39:18 - 12:09:18 | -548 |
| Hawthorne | 11:54:15 | -37.8 | Dark | Down | 24.9 | 283.4 | Low | 11:39:15 - 12:09:15 | -568 |
| Gardnerville | 11:54:17 | -38.6 | Dark | Down | 25.9 | 282.6 | Low | 11:39:17 - 12:09:17 | -569 |
| Lee Vining | 11:54:14 | -38.1 | Dark | Down | 25.2 | 283.4 | Low | 11:39:14 - 12:09:14 | -635 |
| Beatty | 11:54:09 | -36.2 | Dark | Down | 23.1 | 285.0 | Low | 11:39:09 - 12:09:09 | -648 |
| Bishop | 11:54:11 | -37.5 | Dark | Down | 24.5 | 284.0 | Low | 11:39:11 - 12:09:11 | -665 |
| Patrick | 11:54:03 | -33.8 | Dark | Down | 20.5 | 287.0 | Low | 11:39:03 - 12:09:03 | -677 |
| Laughlin/Bullhead City | 11:54:03 | -34.3 | Dark | Down | 20.9 | 286.8 | Low | 11:39:03 - 12:09:03 | -726 |
| George/Scottsdale | 11:53:57 | -32.0 | Dark | Down | 18.4 | 288.6 | Really Low | 11:38:57 - 12:08:57 | -754 |
| Lake Havasu City | 11:54:01 | -34.1 | Dark | Down | 20.6 | 287.1 | Low | 11:39:01 - 12:09:01 | -777 |
| Idyllwild | 11:54:01 | -36.0 | Dark | Down | 22.2 | 286.3 | Low | 11:39:01 - 12:09:01 | -936 |
| Calipatria | 11:53:58 | -34.9 | Dark | Down | 21.1 | 287.1 | Low | 11:38:58 - 12:08:58 | -949 |
| Yuma | 11:53:56 | -34.1 | Dark | Down | 20.3 | 287.6 | Low | 11:38:56 - 12:08:56 | -955 |
| Wildwood | 11:54:04 | -37.6 | Dark | Down | 23.8 | 285.3 | Low | 11:39:04 - 12:09:04 | -973 |
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 15788, (2025/12/30 11:53UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 14.82 27 Alnath 05:26:17.6 +28:36:23 1.6 3.38 38 PPM 094572 05:37:08.9 +26:55:28 5.6 2.79 40 PPM 094479 05:33:30.8 +24:37:44 7.0 1.54 40 PPM 094364 05:26:42.5 +25:17:01 9.9 0.14 38 15788 05:27:16.6 +25:14:10 16.7 38 Positions are for J2000
Event circumstances last updated at 2022/12/25 03:28:45 UT
Marc W. Buie, Southwest Research Institute